use winit::event::{ElementState, MouseButton, MouseScrollDelta, TouchPhase, VirtualKeyCode};

pub struct InputStatus {
	scroll_speed: f32,
	pub key_left: bool,
	pub key_right: bool,
	pub key_thrust: bool,
	pub key_guns: bool,
	pub v_scroll: f32,
}

impl InputStatus {
	pub fn new() -> Self {
		InputStatus {
			key_left: false,
			key_right: false,
			key_thrust: false,
			key_guns: false,
			v_scroll: 0.0,
			scroll_speed: 10.0,
		}
	}

	pub fn release_all(&mut self) {
		self.key_left = false;
		self.key_right = false;
		self.key_thrust = false;
		self.key_guns = false;
	}

	pub fn process_key(&mut self, state: &ElementState, key: &VirtualKeyCode) {
		let down = state == &ElementState::Pressed;
		match key {
			VirtualKeyCode::Left => self.key_left = down,
			VirtualKeyCode::Right => self.key_right = down,
			VirtualKeyCode::Up => self.key_thrust = down,
			VirtualKeyCode::Space => self.key_guns = down,
			_ => {}
		}
	}

	pub fn process_click(&mut self, state: &ElementState, key: &MouseButton) {
		let _down = state == &ElementState::Pressed;
		match key {
			_ => {}
		}
	}

	pub fn process_scroll(&mut self, delta: &MouseScrollDelta, _phase: &TouchPhase) {
		match delta {
			MouseScrollDelta::LineDelta(_h, v) => {
				self.v_scroll -= self.scroll_speed * v;
			}
			// TODO: handle this better
			MouseScrollDelta::PixelDelta(v) => {
				self.v_scroll -= v.x as f32;
			}
		}
	}
}